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Finding the Fourth Proportional to 3,954.97, 5,933.10 and 1,489.99

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Solution

The fourth proportional to 3,954.97, 5,933.10 and 1,489.99 is: 2,235.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,954.97 : 5,933.10 = 1,489.99 : x
  2. Step 2: Convert to fraction form
    3,954.97/5,933.10 = 1,489.99/x
  3. Step 3: Cross multiply
    3,954.97x = 5,933.10 × 1,489.99
  4. Step 4: Simplify right side
    3,954.97x = 8,840,259.67
  5. Step 5: Solve for x
    x = 8,840,259.67/3,954.97
  6. Step 6: Final answer
    x = 2,235.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.